class Account:
    def __init__(self, filepath):
        self.filepath = filepath
        with open(filepath, 'r') as file:
            self.balance=int(file.read())

    def withdraw(self, amount):
        self.balance = self.balance - amount

    def deposit(self, amount):
        self.balance = self.balance + amount

    def __del__(self):
        print("self.filepath wynosi:", self.filepath)
        print("self.balance wynosi wynosi:", self.balance, "i ma typ:", type(self.balance))
        with open(self.filepath, 'w') as file:
            file.write(str(self.balance))

account = Account("balance.txt")
print("na koncie jest:", account.balance)
account.withdraw(100)
print("na koncie jest:", account.balance)
del(account)
# account.commit()